diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/sky2.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 2cb6406c963..eae270d8180 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -868,15 +868,14 @@ static void sky2_vlan_rx_register(struct net_device *dev, struct vlan_group *grp struct sky2_port *sky2 = netdev_priv(dev); struct sky2_hw *hw = sky2->hw; u16 port = sky2->port; - unsigned long flags; - spin_lock_irqsave(&sky2->tx_lock, flags); + spin_lock(&sky2->tx_lock); sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), RX_VLAN_STRIP_ON); sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_VLAN_TAG_ON); sky2->vlgrp = grp; - spin_unlock_irqrestore(&sky2->tx_lock, flags); + spin_unlock(&sky2->tx_lock); } static void sky2_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) @@ -884,16 +883,15 @@ static void sky2_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) struct sky2_port *sky2 = netdev_priv(dev); struct sky2_hw *hw = sky2->hw; u16 port = sky2->port; - unsigned long flags; - spin_lock_irqsave(&sky2->tx_lock, flags); + spin_lock(&sky2->tx_lock); sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), RX_VLAN_STRIP_OFF); sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_VLAN_TAG_OFF); if (sky2->vlgrp) sky2->vlgrp->vlan_devices[vid] = NULL; - spin_unlock_irqrestore(&sky2->tx_lock, flags); + spin_unlock(&sky2->tx_lock); } #endif @@ -1072,6 +1070,8 @@ static inline unsigned tx_le_req(const struct sk_buff *skb) * A single packet can generate multiple list elements, and * the number of ring elements will probably be less than the number * of list elements used. + * + * No BH disabling for tx_lock here (like tg3) */ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) { @@ -1079,22 +1079,18 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) struct sky2_hw *hw = sky2->hw; struct sky2_tx_le *le = NULL; struct ring_info *re; - unsigned long flags; unsigned i, len; dma_addr_t mapping; u32 addr64; u16 mss; u8 ctrl; - local_irq_save(flags); - if (!spin_trylock(&sky2->tx_lock)) { - local_irq_restore(flags); + if (!spin_trylock(&sky2->tx_lock)) return NETDEV_TX_LOCKED; - } if (unlikely(tx_avail(sky2) < tx_le_req(skb))) { netif_stop_queue(dev); - spin_unlock_irqrestore(&sky2->tx_lock, flags); + spin_unlock(&sky2->tx_lock); printk(KERN_WARNING PFX "%s: ring full when queue awake!\n", dev->name); @@ -1226,7 +1222,7 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) out_unlock: mmiowb(); - spin_unlock_irqrestore(&sky2->tx_lock, flags); + spin_unlock(&sky2->tx_lock); dev->trans_start = jiffies; return NETDEV_TX_OK; |